Who said "That's a Basilisk. That's a real Basilisk."?

This quote is attributed to Harry Potter.

That's a Basilisk. That's a real Basilisk. - Harry Potter

"That's a Basilisk. That's a real Basilisk."

Harry Potter Fear

Character in Harry Potter and the Chamber of Secrets

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"Ghosts don't eat, Nearly Headless Nick."

"I'm not going home tonight."

"True courage means facing what terrifies you most."

"I have nothing to be ashamed of."

"Face your fears with courage."

"You can't live your life in fear."

"Snakes. Why'd it have to be snakes?"

"Fear is just another obstacle to overcome."